Manifold Conversion Kit - 80" Evolution Big Twin 2003 A full-length seat with a

A full-length seat with a sleek tailored look

Hard chromed shaft is 14% larger for increased strength

conform precisely to original seat pan

Camshaft - 508 Series - Evolution Big Twin

eases start up and gives a more responsive feel at lower engine RPMs

Manifold Conversion Kit - 80" Evolution Big Twin 2003 A full-length seat with aManifold Conversion Kit 80" Evolution Big Twin Includes an S&S Performance manifold, mounting flanges, two specially molded O rings and two . 350" spacers for spacing out the stock air cleaner or carb mount bracket Eliminates cracking and leaking problems associated with the stock rubber compliance fittings Kit converts stock 80" Evolution manifold to a more rigid mount system Made in the USA